摘要
为对台阶形拱座构造参数进行更准确的设计,文章在考虑拱座基底摩阻力作用下,分析了拱座受力平衡状态,提出了拱座基底应力及稳定的计算方法,并以某桥拱座为算例,进行了不同计算方法的对比分析。结果表明,在考虑基底摩阻力作用下,台阶形拱座基底应力和稳定实用计算方法更符合拱座受力特点,计算结果安全,可用于设计验算。
In order to more accurately design the structural parameters of stepped abutment, this article analyzes the abutment stress equilibrium state under the action of abutment foundation base friction resistance,and proposes the calculation method for the foundation base stress and stability of the abutment.Then,with a bridge abutment as the calculation example,it conducts the comparative analysis of different calculation methods.The results show that, under the action of foundation base friction resistance, the practical calculation method for foundation base stress and stability of stepped abutment is more in line with the stress characteristics of the abutment,and the calculation result is safe,thus it can be used for design verification.
作者
王戈
田波
梁健
钟川剑
WANG Ge;TIAN Bo;LIANG Jian;ZHONG Chuan-jian(Highway Planning,Survey,Design and Research Instituteof Sichuan Provincial Transport Department,Chengdu,Sichuan,610000)
出处
《西部交通科技》
2019年第1期127-131,共5页
Western China Communications Science & Technology
关键词
拱座基础
台阶
基底应力
抗滑移
抗倾覆
摩阻力
计算方法
Abutment foundation
Step
Foundation basestress
Anti-sliding
Anti-overturning
Frictionresistance
Calculation method
